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English definition of “sweat blood”

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sweat blood

( also sweat your guts out) informal
to make a great effort: We sweated blood to get the work finished on time. I've been sweating blood over this report.
Translations of “sweat blood”
in Chinese (Traditional) 苦幹,拼命地做…
in Chinese (Simplified) 苦干,拼命地干…
(Definition of sweat blood from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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